Stop-valve.



PATENTED NOV. 13, 1906.

E; HILL, JR. STOP VALVE.

APPLICATION FILED 11017.18, 1905.

2 sHEnErssHr.BT 1,

mks 35,523. PATENTED N0'v.;13,19o6. B. HILL, In.

STOP VALVE.

APPLICATION FILED NOV. 18. 1905,

2 SHEETS-SHEET a.

'2 in the usual manner.

EBENEZER HILL, JR, OF NORVVALK, CONNECTICUT.

STOP-VALVE.

Specification of Letters Patent.

Patented'Nov. s, 1906.

Application filed November 18, 1905. 1 Serial No. 288,045.

To all whom it may concern."

Be it known that I, EBENEZER HILL, Jr., a citizen of the United States, residing at Norwalk, in the county of Fairfield and State of Connecticut, have invented a new and useful Stop-Valve, of which the following is a speci fication.

This invention relates to a stop-valve for liquids and gases which has lock for preventing unauthorized tampering with the valve.

The invention is particularly designed for stop-valves of large size, either of the rotaryplu globe, or straightwa y-gatc type, although it is applicable, of course, to valves of small size and of other types than those shown.

The object of the invention is to provide a simple, stron and durable 'construction in which the loci is so arran ed that it does not interfere with the tight 0 osing or the ready workin of the valve.

A valve which embodies this invention has means for opening and closing the valve and a lock that can be manipulated by the proper key for, fastening the opening and closing means against movement.

In the accompanying drawings, Figure 1 shows the invention applied to a rotary-plug cook, the casing being cut in central section in order to ex ose the interior. Fig. 2 shows the same 000 with the section taken on a plane at right angles to that of Fig. 1. Fig. 3 is a horizontal section of thecock on the plane indicated by the line 3 8 on Fi 1. Fig. i is a plan of the barrel to which the landle is attached and which is connected with the lug. Fig. 5 shows aside elevation oi the arrel. Fig. 6 shows a bottom. view of the barrel. Fig. 7 shows the invention applied to a globe-valve. Fig. 8 shows a small portion of the spindle and thelocking-bolt of the globe-valve. Fig. 9 shows a horizontal section of the spindle and the lock on the section, taken on the plane indicated by the line 9 9 on Fig. 7. Fig. 10 shows the invention applied to arising gate-valve. Fig. 11 shows .aportion of the stern of the rising gate and the locking-bolt.

The plug 1 of the rotary-plug cock shown is ground into the plug-chamber of the body This plug is retained in position by a threaded washer 3, which is screwed into the body against a shoulder 4. It is desirable toplace a parchment disk 5 between this washer and the shoulder in order to body is abarre facilitate the turning oi the plug. Between this washer and a washer 6, which is screwed into the body, is a packing 7. The packing is compressed between the two washers so as.

to pack, the joints wi tho'ut forcing the plug too tightly into the body. At the outer end .of the plug is a short stem 8.

In the outer )art of the chamber in the l 9. This barrel is held in place bya washer 1o, over which the outer edge of the casing is turned. Across the inner end of the barrel isa groove 11, which receives the stem at the outer end of the plug so that the turning of the barrel will turn the plug.

A handle 12 is fastened to the outer end of the stem 13 of the barrel.

Extending from one side of the casing is a hub 14. in this hub a connnon cylinderlock 15. This lock is held in by a washer 16, over which the outer edge of the hub is turned. Extending inwardly from the inner end of the rotary cylinder of the lock is a bolt 17.

Two recesses 18 and 19 are preferably formed in the handle-barrel by drilling, and

these recesses are connected by a slot 20. The bolt which projects from the inner end of the lock-cylinder is oblong in cross-section and the diameter of the recesses is equal to the longest diameter of the bolt, whereas the Width of the slot is only equal to the shortest diameter of the bolt. When the lock is turned so that the bolt stands with its longest diameter longitudinally ofthe barrel, the barrel cannot be turned, for the bolt in this position is wider than the slot which connects the recesses. However, when the 'bolt is turned, by turning the lock-cylinder so that its longest (liainetei',cxtends transversely of the barrel the barrel can be turned, for the slot is wider than the diameter of the bolt in this osition.

With this construction when the key is turned so as to lie transversely the barrel can be turned back and forth ninety degrees icdby means of the handle for opening and clos- I When the key is turned is open, and thus the key will indicate that the cock is 0 en and will. be in place ready to look the 000 r when it is shut,

When the invention is applied to a globevalve, the bolt 21 of the lock 22 may extend completely across the casing 23. This bolt is oblong in section, and the spindle 24, which is provided with a handle :25 and is connected with the valve-disk 26, is made angular adj 21- cent to the bolt. When the lock is turned so that the longestdiameter of the bolt is parallel with the spindle, the spindle can be rotated for opening or closing the disk but when the lock is turned so that the longest diameter of the bolt extends transversely the spindle cannot be rotated, but will be locked in Whatever position it is in.

For locking the gate of a rising gate-valve the stem 27 of the gate 28 may be provided with a hub 29, having a recess 30, which is equal inkliameter to the longer diameter of the bolt 31 of the lock-cylinder 32. A. mortise may be made in the side of the hub ,through the recess of a Width equal to the shorter diameter of the bolt. When the bolt is turned so that its greatest diameter is ver- ,tlCll, the gate can. be htted, the'slot allowing the hub to pass the bolt. When the bolt is turned so that its greatest diameter is horizontal, the hub cannot be moved up, for the bolt is wider than the slot.

In all of these forms the cylinder-loch is arranged in an integral portion of the casing, and the lock-bolt is adapted to engage apart in the interior in such. manner that the application of a Wrench or other tool to the stem or spindle will not effect the opening of the valve,

The invention claimed is 1. A fluid-controlling d having casing, a valve adapted to open and close the :fluidway through the casing, means or h1ov-- ing the valve, a cylindenloclt permanently secured the casing, and a bolt connected with the lock, said bolt when in one position ceases preventing the valve from being moved by the operating means and when in another po moved by the operating means, substantially as specified.

3. A fluid-controlling device having a'casing; a valve adapted to open'and close the fluid-Way through the casing, means for moving the valve, a cylinder-lock permanently yvhen in secured in the casin and a rotary bolt extending from the loc into a recess in apart of the valve-operating means, substantlally ,as specified.

4. A fluid-controlling device having a casing, a valve ada ted to open and close the iluidway throng the casing, means for moving the valve, a cylinder-lock permanently secured in the casing, and a rotary bolt ex tending from the look into a recess in a part of the valve-operating means, a portion of said recess being as wide as the greatest diameter of the bolt' and a portion being only as Wide as the smallest diameter of thebolt, substantially as specified.

5. A tlnid-controlling device having a cas ing, a rotary plug adapted to openand close the fluid-Way through the casing, means for holding the plug in position, means for rotating the plug, a cylinder-lock permanently secured in the casing, and a rotary bolt extending from the lock into a recess in the plug-rotating means, a portion of said recess being as Wide as the greatest diameter of the bolt and a portion being onlyas Wide as the smallest diameter of the bolt, substantially as specified.

- EBENEZER HILL, JR. Witnesses:

E. HILL,-

J. E. SLATER. 

